Online PHP editor | rfc for DTKKI

@ 2018-02-16T16:49:26Z

<?php
$queryBalance=[
    (object)["balance"=>"-257,21","id_month"=>12,"year"=>"2017"],
    (object)["balance"=>"-257,21","id_month"=>1,"year"=>"2018"],
    (object)["balance"=>"-257,21","id_month"=>2,"year"=>"2018"],
    (object)["balance"=>"166,66","id_month"=>3,"year"=>"2018"],
    (object)["balance"=>"55","id_month"=>12,"year"=>"2017"],
    //(object)["balance"=>"0","id_month"=>1,"year"=>"2018"],
    (object)["balance"=>"0","id_month"=>2,"year"=>"2018"],
    (object)["balance"=>"55","id_month"=>3,"year"=>"2018"],
    (object)["balance"=>"-22257,21","id_month"=>12,"year"=>"2017"],
    (object)["balance"=>"-64609,14","id_month"=>1,"year"=>"2018"],
    (object)["balance"=>"-64609,14","id_month"=>2,"year"=>"2018"],
    (object)["balance"=>"-12234,89","id_month"=>3,"year"=>"2018"]
];
foreach($queryBalance as $row){
    $uniques[$row->year.'-'.$row->id_month]=NULL;  // determine all unique date groups
}

while($queryBalance){
    $temp=[];
    foreach($uniques as $date=>$null){
        $first=current($queryBalance);  // cache the element that is currently first in $queryBalance
        $temp[]=($date==$first->year.'-'.$first->id_month) ? array_shift($queryBalance)->balance : NULL;  // extract from array, or store NULL without modifying $queryBalance
    }
    $result[]=$temp;
}

var_export($result);

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 0 => '-257,21', 1 => '-257,21', 2 => '-257,21', 3 => '166,66', ), 1 => array ( 0 => '55', 1 => NULL, 2 => '0', 3 => '55', ), 2 => array ( 0 => '-22257,21', 1 => '-64609,14', 2 => '-64609,14', 3 => '-12234,89', ), )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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